package top.jacktgq.utils;


import com.sun.mail.util.MailSSLSocketFactory;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.Properties;


/**
 * 邮件发送
 * @author 糖果墙
 * @version 2021-6-21
 */
public class CandyMailUtils {
    /**
     *
     * @param email 发送邮件的参数
     * @throws Exception
     */
    public static void sendEmail(Email email) throws Exception {
        // 指定发送邮件的主机为 smtp.qq.com
        String host = email.getEmail_host();  //网易 邮件服务器

        // 获取系统属性
        Properties properties = System.getProperties();

        // 设置邮件服务器
        properties.setProperty("mail.smtp.host", host);

        properties.put("mail.smtp.auth", "true");
        MailSSLSocketFactory sf = new MailSSLSocketFactory();
        sf.setTrustAllHosts(true);
        properties.put("mail.smtp.ssl.enable", "true");
        properties.put("mail.smtp.ssl.socketFactory", sf);
        // 获取默认session对象
        Session session = Session.getDefaultInstance(properties, new Authenticator() {
            public PasswordAuthentication getPasswordAuthentication() {     //qq邮箱服务器账户、第三方登录授权码
                return new PasswordAuthentication(email.getFrom(), email.getAuth_code()); //发件人邮件用户名、密码
            }
        });

        try {
            // 创建默认的 MimeMessage 对象
            MimeMessage message = new MimeMessage(session);

            // Set From: 头部头字段
            message.setFrom(new InternetAddress(email.getFrom()));

            // Set To: 头部头字段
            message.addRecipient(Message.RecipientType.TO, new InternetAddress(email.getTo()));

            // Set Subject: 主题文字
            message.setSubject(email.getSubject());

            // 创建消息部分
            MimeBodyPart messageBodyPart = new MimeBodyPart();

            // 消息
            messageBodyPart.setText(email.getText());

            // 创建多重消息
            Multipart multipart = new MimeMultipart();

            // 设置文本消息部分
            multipart.addBodyPart(messageBodyPart);

            // 附件部分
            messageBodyPart = new MimeBodyPart();
            //设置要发送附件的文件路径
            DataSource source = new FileDataSource(email.getAttachment_file());
            messageBodyPart.setDataHandler(new DataHandler(source));

            //messageBodyPart.setFileName(filename);
            //处理附件名称中文（附带文件路径）乱码问题
            messageBodyPart.setFileName(MimeUtility.encodeText(email.getAttachment_file().getName()));
            multipart.addBodyPart(messageBodyPart);

            // 发送完整消息
            message.setContent(multipart);

            // 发送消息
            Transport.send(message);
            System.out.println("发送成功....");
        } catch (MessagingException mex) {
            mex.printStackTrace();
        }
    }
}